Galvanized Barbed Wire, Single Twisted Barbed Wire, Double Twisted Barbed Wire,Traditional Twisted Barbed Wire, galvanized,PVC Galvanized Barbed WireMaterial: iron wire,Galvanized wire,pvc coated wire ectHot ... high resistance allows greater spacing between the fencing posts. BARBED WIRE Gauge B.W.G.Length (km) barbspacing 3"barbspacing 4"barbspacing 5 ...